2a+7-5a=22

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Solution for 2a+7-5a=22 equation: 



2a+7-5a=22

We move all terms to the left:

2a+7-5a-(22)=0

We add all the numbers together, and all the variables

-3a-15=0

We move all terms containing a to the left, all other terms to the right

-3a=15

a=15/-3

a=-5

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